ZA968469B - Process for determining the end point of the cooking of pulp and arrangement for controlling the cooking time when cooking pulp in a reactor - Google Patents

Process for determining the end point of the cooking of pulp and arrangement for controlling the cooking time when cooking pulp in a reactor

Info

Publication number
ZA968469B
ZA968469B ZA968469A ZA968469A ZA968469B ZA 968469 B ZA968469 B ZA 968469B ZA 968469 A ZA968469 A ZA 968469A ZA 968469 A ZA968469 A ZA 968469A ZA 968469 B ZA968469 B ZA 968469B
Authority
ZA
South Africa
Prior art keywords
cooking
pulp
values
measurement values
time
Prior art date
Application number
ZA968469A
Other languages
English (en)
Inventor
Dragan Obradovic
Herbert Furumoto
Klaus Fischer
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA968469B publication Critical patent/ZA968469B/xx

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
    • G05B13/027—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion using neural networks only

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Medical Informatics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Electric Ovens (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
ZA968469A 1995-10-09 1996-10-08 Process for determining the end point of the cooking of pulp and arrangement for controlling the cooking time when cooking pulp in a reactor ZA968469B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19537539 1995-10-09

Publications (1)

Publication Number Publication Date
ZA968469B true ZA968469B (en) 1997-04-09

Family

ID=7774378

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA968469A ZA968469B (en) 1995-10-09 1996-10-08 Process for determining the end point of the cooking of pulp and arrangement for controlling the cooking time when cooking pulp in a reactor

Country Status (7)

Country Link
EP (1) EP0854953B1 (fr)
AT (1) ATE189715T1 (fr)
CA (1) CA2234221A1 (fr)
DE (1) DE59604434D1 (fr)
NO (1) NO981650D0 (fr)
WO (1) WO1997013916A2 (fr)
ZA (1) ZA968469B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999028548A1 (fr) * 1997-11-26 1999-06-10 Siemens Aktiengesellschaft Dispositif de commande pour lessiveur fonctionnant en continu pour la production de cellulose
CA2752471C (fr) 2009-02-13 2017-04-25 Abb Research Ltd. Procede et systeme d'optimisation des parametres d'une chaudiere de recuperation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747108A (en) * 1953-10-01 1956-03-28 Courtaulds Ltd Improvements in and relating to the production of wood pulp
DE2123497C3 (de) * 1970-05-15 1978-08-03 Mo Och Domsjoe Ab, Oernskoeldsvik (Schweden) Verfahren zur Herstellung von Sulfatpulpen zur Erzielung von Pulpen mit einem vorherbestimmten Maß an Delignifizierung
US3941649A (en) * 1972-07-14 1976-03-02 Mo Och Domsjo Aktiebolag Process for obtaining a predetermined Kappa number in sulfate pulping
US4086129A (en) * 1975-11-03 1978-04-25 International Telephone And Telegraph Corporation Process for controlling the intrinsic viscosity of sulfite pulp
KR880000744B1 (ko) * 1982-11-24 1988-05-04 더 뱁콕 앤드 윌콕스 캄패니 탈리그닌화의 아황산법 증해기에서 증해도를 측정하는 장치
DE3641785A1 (de) * 1986-03-31 1987-10-08 Wolfen Filmfab Veb Verfahren zur herstellung von zellstoff
EP0445321B1 (fr) * 1990-03-05 1994-06-01 Siemens Aktiengesellschaft Procédé de fabrication de pâte dans un lessiveur en continu
DE9017325U1 (de) * 1990-12-21 1992-01-02 Siemens AG, 8000 München Prozeßleitsystem zur Steuerung der Herstellung von Zellstoff
EP0590433B1 (fr) * 1992-10-02 1999-08-25 Siemens Aktiengesellschaft Procédé de commande pour diriger la production de pâte à papier à travers le contrÔle de pression et température

Also Published As

Publication number Publication date
WO1997013916A3 (fr) 1997-07-17
DE59604434D1 (de) 2000-03-16
CA2234221A1 (fr) 1997-04-17
ATE189715T1 (de) 2000-02-15
EP0854953B1 (fr) 2000-02-09
NO981650L (no) 1998-04-08
WO1997013916A2 (fr) 1997-04-17
NO981650D0 (no) 1998-04-08
EP0854953A2 (fr) 1998-07-29

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